211310313121321 has 8 divisors (see below), whose sum is σ = 218126943104000. Its totient is φ = 204493693655520.

The previous prime is 211310313121307. The next prime is 211310313121331. The reversal of 211310313121321 is 123121313013112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211310313121321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211310313121331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70418005 + ... + 73357453.

It is an arithmetic number, because the mean of its divisors is an integer number (27265867888000).

Almost surely, 2^{211310313121321} is an apocalyptic number.

It is an amenable number.

211310313121321 is a deficient number, since it is larger than the sum of its proper divisors (6816629982679).

211310313121321 is a wasteful number, since it uses less digits than its factorization.

211310313121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258439.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 211310313121321 its reverse (123121313013112), we get a palindrome (334431626134433).

The spelling of 211310313121321 in words is "two hundred eleven trillion, three hundred ten billion, three hundred thirteen million, one hundred twenty-one thousand, three hundred twenty-one".